The core of his theory rests on two hierarchical rankings derived from the overtone series and combination tones:
Hindemith viewed musical relationships as a natural force akin to . He sought to move away from "arbitrary" rules, creating a system that could analyze everything from medieval chant to the most radical contemporary works. The Two Pillars: Series 1 & Series 2 THE CRAFT OF MUSICAL COMPOSITION
Ranks the 12 chromatic pitches based on their relationship to a central "tonic". It moves from the most related (the Perfect 5th) to the most distant. The core of his theory rests on two